Add WPSC_Visitor class to make it more convenient to access visitors, primarily useful inside of WPEC or admin related plugins
changed example to not use wpsc_cart
Instead of storing cart as a blob, each wpsc_cart attribute is stored as its own meta value, makes cart contents searchable in the database
customer api uses common cart storage functions
Cart storage updates
Cart storage implementation and testing
Cart serialization on shutdown
We don't need to regenerate the cart cache on serialization with the new cart storage
encode cart meta values that are arrays or objects to work around WordPress stripslashes_deep issues in the meta api
Fixed missing '_' on private function call name
Assign property typo in property name fixed
Instead of trying to detect which fields to encode, explicitly name them
Integration testing identified some issues with profile deleting, thius commit resolves them
FIX: Pass visitor id to get cart routine prior to emptying cart
formatting changes
Fix: Properly diconnect vistior from wordpress user when visitor deleted
Fixes and missing logic from original commit
Last active updates on cart item add
Automatically update last active when expiration changes.
Automatically change expiration to t+48 hours when cart manipulated.
added cart item to the list of properties that need to be encoded